Perhaps you should try some spelling variations:
computation international » competition international, population international, communication international
international pit » international peat, international post, international pest
pit dimensions » new dimensions, _ dimensions, 2 dimensions
array imaging » arrays imaging, airway imaging, ray imaging
array string » array strong, arrays strings, array sharing
arrays a » arrays _

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: computation international pit dimensions ((((arrays a) or (array imaging))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: computation international pit dimensions ((((arrays a) OR (array imaging))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: computation international pit dimensions ((((arrays a) or (array imaging))) or (array string))*.